86800000

素因数分解:

$2^7\times 5^5\times 7^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 192

約数和(自身を含む): 254983680

約数和(自身を除く): 168183680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 100, 112, 124, 125, 128, 140, 155, 160, 175, 200, 217, 224, 248, 250, 280, 310, 320, 350, 400, 434, 448, 496, 500, 560, 620, 625, 640, 700, 775, 800, 868, 875, 896, 992, 1000, 1085, 1120, 1240, 1250, 1400, 1550, 1600, 1736, 1750, 1984, 2000, 2170, 2240, 2480, 2500, 2800, 3100, 3125, 3200, 3472, 3500, 3875, 3968, 4000, 4340, 4375, 4480, 4960, 5000, 5425, 5600, 6200, 6250, 6944, 7000, 7750, 8000, 8680, 8750, 9920, 10000, 10850, 11200, 12400, 12500, 13888, 14000, 15500, 16000, 17360, 17500, 19375, 19840, 20000, 21700, 21875, 22400, 24800, 25000, 27125, 27776, 28000, 31000, 34720, 35000, 38750, 40000, 43400, 43750, 49600, 50000, 54250, 56000, 62000, 69440, 70000, 77500, 80000, 86800, 87500, 96875, 99200, 100000, 108500, 112000, 124000, 135625, 138880, 140000, 155000, 173600, 175000, 193750, 200000, 217000, 248000, 271250, 280000, 310000, 347200, 350000, 387500, 400000, 434000, 496000, 542500, 560000, 620000, 678125, 694400, 700000, 775000, 868000, 1085000, 1240000, 1356250, 1400000, 1550000, 1736000, 2170000, 2480000, 2712500, 2800000, 3100000, 3472000, 4340000, 5425000, 6200000, 8680000, 10850000, 12400000, 17360000, 21700000, 43400000, 86800000]

約数ペア:

[(1, 86800000), (2, 43400000), (4, 21700000), (5, 17360000), (7, 12400000), (8, 10850000), (10, 8680000), (14, 6200000), (16, 5425000), (20, 4340000), (25, 3472000), (28, 3100000), (31, 2800000), (32, 2712500), (35, 2480000), (40, 2170000), (50, 1736000), (56, 1550000), (62, 1400000), (64, 1356250), (70, 1240000), (80, 1085000), (100, 868000), (112, 775000), (124, 700000), (125, 694400), (128, 678125), (140, 620000), (155, 560000), (160, 542500), (175, 496000), (200, 434000), (217, 400000), (224, 387500), (248, 350000), (250, 347200), (280, 310000), (310, 280000), (320, 271250), (350, 248000), (400, 217000), (434, 200000), (448, 193750), (496, 175000), (500, 173600), (560, 155000), (620, 140000), (625, 138880), (640, 135625), (700, 124000), (775, 112000), (800, 108500), (868, 100000), (875, 99200), (896, 96875), (992, 87500), (1000, 86800), (1085, 80000), (1120, 77500), (1240, 70000), (1250, 69440), (1400, 62000), (1550, 56000), (1600, 54250), (1736, 50000), (1750, 49600), (1984, 43750), (2000, 43400), (2170, 40000), (2240, 38750), (2480, 35000), (2500, 34720), (2800, 31000), (3100, 28000), (3125, 27776), (3200, 27125), (3472, 25000), (3500, 24800), (3875, 22400), (3968, 21875), (4000, 21700), (4340, 20000), (4375, 19840), (4480, 19375), (4960, 17500), (5000, 17360), (5425, 16000), (5600, 15500), (6200, 14000), (6250, 13888), (6944, 12500), (7000, 12400), (7750, 11200), (8000, 10850), (8680, 10000), (8750, 9920)]